KEYLOCK SWITCH DESCRIPTIONS: Zinc alloy die cast housing and cylinder. Bright chrome plated standard. No pin tumbler mechanism. Zinc alloy tubular keys, chrome plated. Key may be withdrawn in both or three positions. Silver plated contacts and terminals. 1052 2 position (off-on) 2 terminals, 1053 2 position (on-on) 4 terminals, 1054 3 position (off-on-on) 4 terminals, Hex nut or speed clip mounted. 6 combinations available. CAM LOCK DESCRIPTIONS: Brass housing and cylinder. Bright chrome plated standard. 7 pin tumbler mechanism. Steel made tubular keys, nickel plated, with plastic cover. Key may be withdrawn in one or both positions. 3 sizes available. Various cam configurations and rotations available. Cam is affixed by nut. Hex nut mounted. 10000 combinations available.